2005185861

素因数分解:

$3^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{14797}}^1$

素因数の和:15055

約数の個数: 40

約数和(自身を含む): 3437871360

約数和(自身を除く): 1432685499

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 239, 567, 717, 1673, 2151, 5019, 6453, 14797, 15057, 19359, 44391, 45171, 103579, 133173, 135513, 310737, 399519, 932211, 1198557, 2796633, 3536483, 8389899, 10609449, 24755381, 31828347, 74266143, 95485041, 222798429, 286455123, 668395287, 2005185861]

約数ペア:

[(1, 2005185861), (3, 668395287), (7, 286455123), (9, 222798429), (21, 95485041), (27, 74266143), (63, 31828347), (81, 24755381), (189, 10609449), (239, 8389899), (567, 3536483), (717, 2796633), (1673, 1198557), (2151, 932211), (5019, 399519), (6453, 310737), (14797, 135513), (15057, 133173), (19359, 103579), (44391, 45171)]